1 5 | × | 2 | x | × | 2 5 | ÷ | ( | 1 | − | 1 5 | × | 2 | x | × | 2 5 | ) | = | 3 10 |
| 方程两边同时乘以: | ( | 1 | − | 1 5 | × | 2 | x | × | 2 5 | ) |
1 5 | × | 2 | x | × | 2 5 | = | 3 10 | ( | 1 | − | 1 5 | × | 2 | x | × | 2 5 | ) |
1 5 | × | 2 | x | × | 2 5 | = | 3 10 | × | 1 | − | 3 10 | × | 1 5 | × | 2 | x | × | 2 5 |
4 25 | x | = | 3 10 | − | 6 125 | x |
4 25 | x | + | 6 125 | x | = | 3 10 |
26 125 | x | = | 3 10 |
| x | = | 3 10 | ÷ | 26 125 |
| = | 3 10 | × | 125 26 |
| = | 3 2 | × | 25 26 |
| x | = | 75 52 |
| x | = | 1.442308 |